MESON Chess Problem Database
Problem Display
PID: 22014 (2b5/1p1p4/1p1R2p1/1N3nB1/p7/K1Qpr3/4kpB1/5R2 w - - 0 1)
Pape, Edouard
1st Prize, Good Companions, 1923
#2
7 + 11
| 3098 | FIDE Album (1914-1944) (I) | 1971 |
SOLUTION
- SOUND
- Sets
- 1...Rf3
- 2.Qd2#
- 1...Rg3
- 2.Qd2#
- 1...Rh3
- 2.Qd2#
- 1...Re4
- 2.Qd2#
- 2.Qxd3#
- 1...Re5
- 2.Qd2#
- 2.Qxd3#
- 1...Re6
- 2.Qd2#
- 2.Qxd3#
- 1...Re7
- 2.Qd2#
- 2.Qxd3#
- 1...Re8
- 2.Qd2#
- 2.Qxd3#
- 1...Sg3
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sh4
- 2.Sd4#
- 1...Sxd6
- 2.Sd4#
- 1...Sh6
- 2.Sd4#
- 1...Se7
- 2.Sd4#
- 1...Sg7
- 2.Sd4#
- 1...d2
- 2.Rxd2#
- 1...Rf3
- Tries
- 1.Ka2?
- 1...Sxd6
- 2.Sd4#
- 1...Rf3
- 2.Qd2#
- 1...Rg3
- 2.Qd2#
- 1...Rh3
- 2.Qd2#
- 1...Re4
- 2.Qd2#
- 2.Qxd3#
- 1...Re5
- 2.Qd2#
- 2.Qxd3#
- 1...Re6
- 2.Qd2#
- 2.Qxd3#
- 1...Re7
- 2.Qd2#
- 2.Qxd3#
- 1...Re8
- 2.Qd2#
- 2.Qxd3#
- 1...Sg3
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sh4
- 2.Sd4#
- 1...Sh6
- 2.Sd4#
- 1...Se7
- 2.Sd4#
- 1...Sg7
- 2.Sd4#
- 1...d2
- 2.Rxd2#
- 2.Qxd2#
- 1...a3!
- 1...Sxd6
- 1.Kb2?
- 1...Sxd6
- 2.Sd4#
- 1...Rf3
- 2.Qd2#
- 1...Rg3
- 2.Qd2#
- 1...Rh3
- 2.Qd2#
- 1...Re4
- 2.Qd2#
- 2.Qxd3#
- 1...Re5
- 2.Qd2#
- 2.Qxd3#
- 1...Re6
- 2.Qd2#
- 2.Qxd3#
- 1...Re7
- 2.Qd2#
- 2.Qxd3#
- 1...Re8
- 2.Qd2#
- 2.Qxd3#
- 1...Sg3
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sh4
- 2.Sd4#
- 1...Sh6
- 2.Sd4#
- 1...Se7
- 2.Sd4#
- 1...Sg7
- 2.Sd4#
- 1...d2
- 2.Rxd2#
- 2.Qxd2#
- 1...a3+!
- 1...Sxd6
- 1.Kxa4?
- 1...Sxd6
- 2.Sd4#
- 1...Rf3
- 2.Qd2#
- 1...Rg3
- 2.Qd2#
- 1...Rh3
- 2.Qd2#
- 1...Re5
- 2.Qd2#
- 2.Qxd3#
- 1...Re6
- 2.Qd2#
- 2.Qxd3#
- 1...Re7
- 2.Qd2#
- 2.Qxd3#
- 1...Re8
- 2.Qd2#
- 2.Qxd3#
- 1...Sg3
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sh4
- 2.Sd4#
- 1...Sh6
- 2.Sd4#
- 1...Se7
- 2.Sd4#
- 1...Sg7
- 2.Sd4#
- 1...d2
- 2.Rxd2#
- 2.Qxd2#
- 1...Re4+!
- 1...Sxd6
- 1.Bxe3?
- threat
- 2.Qd2#
- 2.Qxd3#
- 1...Sxe3
- 2.Sd4#
- 2.Qxd3#
- 1...Sxd6
- 2.Qd2#
- 1...Sd4
- 2.Qd2#
- 1...d2
- 2.Rxd2#
- 2.Qxd2#
- 2.Qd3#
- 1...Kxe3!
- threat
- 1.Bf4?
- 1...Sxd6
- 2.Sd4#
- 1...Rf3
- 2.Qd2#
- 1...Rg3
- 2.Qd2#
- 1...Rh3
- 2.Qd2#
- 1...Re4
- 2.Qd2#
- 2.Qxd3#
- 1...Re5
- 2.Qd2#
- 2.Qxd3#
- 1...Re6
- 2.Qd2#
- 2.Qxd3#
- 1...Re7
- 2.Qd2#
- 2.Qxd3#
- 1...Re8
- 2.Qd2#
- 2.Qxd3#
- 1...Sg3
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sh4
- 2.Sd4#
- 1...Sh6
- 2.Sd4#
- 1...Se7
- 2.Sd4#
- 1...Sg7
- 2.Sd4#
- 1...d2
- 2.Rxd2#
- 1...g5!
- 1...Sxd6
- 1.Bh6?
- 1...Sxd6
- 2.Sd4#
- 1...Sxh6
- 2.Sd4#
- 1...Rf3
- 2.Qd2#
- 1...Rg3
- 2.Qd2#
- 1...Rh3
- 2.Qd2#
- 1...Re4
- 2.Qd2#
- 2.Qxd3#
- 1...Re5
- 2.Qd2#
- 2.Qxd3#
- 1...Re6
- 2.Qd2#
- 2.Qxd3#
- 1...Re7
- 2.Qd2#
- 2.Qxd3#
- 1...Re8
- 2.Qd2#
- 2.Qxd3#
- 1...Sg3
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sh4
- 2.Sd4#
- 1...Se7
- 2.Sd4#
- 1...Sg7
- 2.Sd4#
- 1...d2
- 2.Rxd2#
- 1...g5!
- 1...Sxd6
- 1.Rd1?
- threat
- 2.Qd2#
- 1...f1S
- 2.Qe1#
- 1...d2
- 2.R6xd2#
- 1...Kxd1!
- threat
- 1.Rxf2+?
- 1...Kd1
- 2.Qa1#
- 2.Qd2#
- 1...Kxf2!
- 1...Kd1
- 1.Rxd3?
- threat
- 2.Rd2#
- 2.Qd2#
- 2.Qc2#
- 1...Sd4
- 2.Sxd4#
- 2.Rd2#
- 2.Rxe3#
- 2.Qd2#
- 1...Rxd3!
- threat
- 1.Rd5?
- 1...Sg3
- 2.Sd4#
- 1...Rf3
- 2.Qd2#
- 1...Rg3
- 2.Qd2#
- 1...Rh3
- 2.Qd2#
- 1...Re4
- 2.Qd2#
- 2.Qxd3#
- 1...Re5
- 2.Qd2#
- 2.Qxd3#
- 1...Re6
- 2.Qd2#
- 2.Qxd3#
- 1...Re7
- 2.Qd2#
- 2.Qxd3#
- 1...Re8
- 2.Qd2#
- 2.Qxd3#
- 1...Sd4
- 2.Sxd4#
- 1...Sh4
- 2.Sd4#
- 1...Sd6
- 2.Sd4#
- 1...Sh6
- 2.Sd4#
- 1...Se7
- 2.Sd4#
- 1...Sg7
- 2.Sd4#
- 1...d2
- 2.Rxd2#
- 1...d6!
- 1...Sg3
- 1.Rxd7?
- 1...d2
- 2.Rxd2#
- 1...Rf3
- 2.Qd2#
- 1...Rg3
- 2.Qd2#
- 1...Rh3
- 2.Qd2#
- 1...Re4
- 2.Qd2#
- 2.Qxd3#
- 1...Re5
- 2.Qd2#
- 2.Qxd3#
- 1...Re6
- 2.Qd2#
- 2.Qxd3#
- 1...Re7
- 2.Qd2#
- 2.Qxd3#
- 1...Re8
- 2.Qd2#
- 2.Qxd3#
- 1...Sg3
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sh4
- 2.Sd4#
- 1...Sd6
- 2.Sd4#
- 1...Sh6
- 2.Sd4#
- 1...Se7
- 2.Sd4#
- 1...Sg7
- 2.Sd4#
- 1...Bxd7!
- 1...d2
- 1.Qa1?
- threat
- 2.Qd1#
- 1...Kd2
- 2.Rxf2#
- 2.Qb2#
- 2.Qd1#
- 2.Qa2#
- 1...d2+!
- threat
- 1.Qb4?
- 1...Sxd6
- 2.Sd4#
- 1...Rf3
- 2.Sc3#
- 2.Qd2#
- 1...Rg3
- 2.Sc3#
- 2.Qd2#
- 1...Rh3
- 2.Sc3#
- 2.Qd2#
- 1...Re4
- 2.Sc3#
- 2.Qd2#
- 1...Re5
- 2.Sc3#
- 2.Qd2#
- 2.Qg4#
- 1...Re6
- 2.Sc3#
- 2.Qd2#
- 2.Qg4#
- 1...Re7
- 2.Sc3#
- 2.Qd2#
- 2.Qg4#
- 1...Re8
- 2.Sc3#
- 2.Qd2#
- 2.Qg4#
- 1...Sg3
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sh4
- 2.Sd4#
- 1...Sh6
- 2.Sd4#
- 1...Se7
- 2.Sd4#
- 1...Sg7
- 2.Sd4#
- 1...d2+!
- 1...Sxd6
- 1.Qf6?
- 1...Kd2
- 2.Qb2#
- 1...Sxd6
- 2.Qxf2#
- 1...Rf3
- 2.Sc3#
- 1...Rg3
- 2.Sc3#
- 1...Rh3
- 2.Sc3#
- 1...Re4
- 2.Sc3#
- 1...Re5
- 2.Sc3#
- 1...Re6
- 2.Sc3#
- 1...Re7
- 2.Sc3#
- 1...Re8
- 2.Sc3#
- 1...Sg3
- 2.Qxf2#
- 1...Sd4
- 2.Qxf2#
- 1...Sh4
- 2.Qxf2#
- 1...Sh6
- 2.Qxf2#
- 1...Se7
- 2.Qxf2#
- 1...Sg7
- 2.Qxf2#
- 1...d2+!
- 1...Kd2
- 1.Ka2?
- Keys
- 1.Qe5!
- 1...d2+
- 2.Sc3#
- 1...Kd2
- 2.Qb2#
- 1...Rxe5
- 2.Sc3#
- 1...Sxd6
- 2.Qxe3#
- 1...Re4
- 2.Sc3#
- 1...Sg3
- 2.Qxe3#
- 1...Sd4
- 2.Qxe3#
- 1...Sh4
- 2.Qxe3#
- 1...Sh6
- 2.Qxe3#
- 1...Se7
- 2.Qxe3#
- 1...Sg7
- 2.Qxe3#
- 1...d2+
- 1.Qe5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 8
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- R(d);::QAR1(D)
- S(f);N_GUARD::S(E)
- S(f);N_GUARD::S(E),XS(f)
- S(f);N_GUARD,XR(G)::S(E)
- P(c);OGATE,P_PINQ(D)::R1(G),XP(c)
- Tries
- Try
- K(C);P-FLIGHT
- Vars
- S(f);N_GUARD,XR(G)::S(E)
- R(d);::QAR1(D)
- S(f);N_GUARD::S(E)
- S(f);N_GUARD::S(E),XS(f)
- Refutation
- P(e);
- Try
- K(C);S_FLIGHT
- Vars
- S(f);N_GUARD,XR(G)::S(E)
- R(d);::QAR1(D)
- S(f);N_GUARD::S(E)
- S(f);N_GUARD::S(E),XS(f)
- Refutation
- P(e);CHECK
- Try
- K(C);P-FLIGHT,XP(e)
- Vars
- S(f);N_GUARD,XR(G)::S(E)
- R(d);::QAR1(D)
- S(f);N_GUARD::S(E)
- S(f);N_GUARD::S(E),XS(f)
- Refutation
- R(d);CHECK
- Try
- B(F);XR(d)
- Threat
- DUALS(2)
- Vars
- S(f);XR(G)::QAR1(D)
- S(f);::QAR1(D)
- Refutation
- K(a);P-FLIGHT,P_SPINP(c),XB(F)
- Try
- B(F);
- Vars
- S(f);N_GUARD,XR(G)::S(E)
- R(d);::QAR1(D)
- S(f);N_GUARD::S(E)
- S(f);N_GUARD::S(E),XS(f)
- P(c);OGATE,P_PINQ(D)::R1(G),XP(c)
- Refutation
- P(h);
- Try
- B(F);
- Vars
- S(f);N_GUARD,XR(G)::S(E)
- S(f);N_GUARD,XB(F)::S(E)
- R(d);::QAR1(D)
- S(f);N_GUARD::S(E)
- S(f);N_GUARD::S(E),XS(f)
- P(c);OGATE,P_PINQ(D)::R1(G),XP(c)
- Refutation
- P(h);
- Try
- R(A);
- Threat
- QAR1(D)
- Vars
- P(b);N_GUARD::QAR1(D)
- P(c);OGATE,P_PINQ(D)::R1(G),XP(c)
- Refutation
- K(a);P_SPINP(c),S_FLIGHT,XR(A)
- Try
- R(A);CHECK,XP(b)
- Refutation
- K(a);P-FLIGHT,XR(A)
- Try
- R(G);XP(c)
- Threat
- DUALS(3)
- Refutation
- R(d);P_PINQ(D),XR(G)
- Try
- R(G);
- Vars
- S(f);N_GUARD::S(E)
- R(d);::QAR1(D)
- S(f);N_GUARD::S(E),XS(f)
- P(c);OGATE,P_PINQ(D)::R1(G),XP(c)
- Refutation
- P(j);
- Try
- R(G);XP(j)
- Vars
- P(c);OGATE,P_PINQ(D)::R1(G),XP(c)
- R(d);::QAR1(D)
- S(f);N_GUARD::S(E)
- S(f);N_GUARD::S(E),XS(f)
- Refutation
- B(k);XR(G)
- Try
- Q(D);
- Threat
- QAB1(D)
- Refutation
- P(c);CHECK
- Try
- Q(D);
- Vars
- S(f);N_GUARD,XR(G)::S(E)
- S(f);N_GUARD::S(E)
- S(f);N_GUARD::S(E),XS(f)
- Refutation
- P(c);CHECK
- Try
- Q(D);
- Vars
- K(a);P-FLIGHT,P_SPINP(c),P_SPINR(d)::QAR2(D)
- S(f);OGATE,XR(G)::QAR1(D),XP(b)
- R(d);::S(E)
- S(f);OGATE::QAR1(D),XP(b)
- Refutation
- P(c);CHECK
- Try
- Actual
- Q(D);P_PINR(d)
- Vars
- P(c);CHECK::S(E)
- K(a);P-FLIGHT,P_SPINP(c)::QAR2(D)
- R(d);N_SPINR(d),XQ(D)::S(E)
- S(f);N_GUARD,XR(G)::QAR1(D),XR(d)
- R(d);::S(E)
- S(f);N_GUARD::QAR1(D),XR(d)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).